Step 1 :Multiply both the numerator and the denominator by the conjugate of the denominator: \( (\sqrt{3} + 9)(\sqrt{5} + \sqrt{6}) \) and \( (\sqrt{6} - \sqrt{5})(\sqrt{6} + \sqrt{5}) \)
Step 2 :Simplify the expression: \( \boxed{(\sqrt{3} + 9)(\sqrt{5} + \sqrt{6})} \)